propagation mechanism 中文意思是什麼

propagation mechanism 解釋
傳播機理
  • propagation : 持續培養
  • mechanism : n 1 （機械）結構；機械裝置[作用]；（故事的）結構。2 【哲學】機械論 （opp vitalism）。 3 【文藝】...
  1. This paper aims at the characteristics of thermal response of lpg vesse1 under high temperatue, conjoining the project of " study on transportation safety early - wdring system of lpg dangerous goods " supported by transportation departinen of china and the project of " mechanism study and numerical simulation of the explosion of lpg vessel " supported by science foundation of hubei province. the interdisciplinary research has been done among temperature field distribution of lpg vessel under flame surroundings, intensity calculation, crack propagation predication and mechanism of explosive accident, etc. three parts are analyzed and discussed

    本文針對高溫環境下液化氣壓力容器的熱響應特性問題，結合交通部重點科技項目「液化氣體類危險品運輸安全預警系統的研究」和湖北省自然科學基金項目「液化氣容器爆炸機理研究及數值模擬」 ，對在火焰包圍下的液化氣壓力容器的溫度場分佈、強度計算、裂紋擴展預測以及爆炸事故機理等方面開展了多學科的交叉研究。
  2. It consists of two parts : the first part ( chapter 2, 3, 4, 5 ) studies the characteristic of elastic waves and surface waves in orthotropic fluid - saturated porous media using biot ' s theory which is based on the substitutive model. in the second one ( chapter 6 ), a new three - dimensional meso - calculating model, which is more coincided with the inner action mechanism of porous media, is proposed. based on this model, the elastic wave propagation in fluid - saturated porous media under longitudinal impacting is discussed

    論文主要分為兩大部分：第一部分基於替代模型的biot理論，對各向異性介質中平面波以及表面波的傳播特性進行了研究；第二部分從細觀層次出發，提出了一個更加符合含液飽和多孔介質內部作用機理的三維細觀計算模型，並對縱向沖擊載荷作用下液飽和多孔介質中彈性波的傳播規律進行了討論。
  3. Analyzing the propagation behaviors for open and close crack, the author gain that normal fault is more dangerous to earthquake than reverse fault and glide fault. 3. appling fracture mechanics to discuss reservoir - induce earthquake mechanism, the author observes the characteristic of surface crack and gains the stress intensity factor induced by the pressure of rock, water and osmosis

    針對庫區斷層為表面裂紋這一特點，研究水庫地震的斷裂特點，得出地應力作用下的應力強度因子、庫水作用下的應力強度因子和滲壓作用下的應力強度因子以及它們的應力強度因子之合，並且合理的解釋了構造型水庫地震的誘發機理。
  4. In this paper, using high - speed train aerodynamics model research system, the propagation mechanism of compression wave, which created when high - speed train entering into a tunnel was researched, at the same time the effect of velocity of the model train and the ratio of train with tunnel was analyzed, the result is helpful for future research

    利用高速列車空氣動力學模型實驗系統對高速列車在進入隧道過程中瞬變壓力的傳播規律進行研究，並分析了列車速度以及阻塞比對測試結果的影響，得出的結論對以後的研究具有一定的參考和借鑒。
  5. To find the failure propagation mechanism from the inherent topological structure of the complex electromechanical system, the topological structure statistical properties of the system were analyzed with small world net theory, and a failure propagation model based on the small world clustering was proposed

    摘要為了從復雜機電系統自身固有的網路拓撲結構出發來研究故障的傳播機制，採用小世界網路理論分析方法，對系統網路拓撲結構統計特性進行分析，建立了基於小世界聚類特性的故障傳播模型。
  6. Based on the surface runoff and sediment load and changing characteristic of river boundary in different period in the lower yellow river, the regulating mechanism of cross section and riverbed withered and its influence to the flood propagation were researched systematically

    基於不同歷史時期黃河下游水沙條件和河道邊界條件變化特點，系統研究了斷面調整機理及河道萎縮及對洪水演進特性的影響。
  7. In order to study the influence of evolvement of permeation character induced by mesoscopic structural characteristics on macroscopic mechanical behavior and fracture mechanism, a nonlinear constitutive equations describing the relationship between damage of rock and seepage is proposed based on mesoscopic damage mechanics and biot seepage mechanics theory and coupling system of flow & solid in rock failure process analysis, f - rfpa2d, is developed to simulate the variation of permeability as well as coupling mechanism between seepage and stress during the initiation, propagation and coalescence of cracks in rock. this study also extends the research field of original rfpa2d

    為了分析細觀結構特性變化引起滲透性演化對宏觀力學行為的影響，並進行滲流應力耦合作用下巖石破裂機制的研究，本文基於細觀損傷力學和biot經典滲流力學，建立了巖體損傷非線性本構方程和滲透率關系模型，開發出巖石破裂過程滲流-應力耦合分析系統（ couplingsystemofflow & solidinrockfailureprocessanalysis簡稱f - rfpa2d ） ，拓寬了原有程序rfpa2d的研究領域。
  8. In this paper, it analyzes the mechanism of automobile noise polytechnic and routes of noise propagation, expoundes the research of active control and passive control of the vibration and noise reduction control technology of automobile. then it puts forward the means of automobile noise reduction in practical application

    從汽車噪聲的產生機理入手，分析了噪聲傳播的途徑，從主動控制與被動控制兩方面對汽車減振降噪技術進行了研究，介紹了實際應用的降噪方法
  9. According to the mechanism, the nucleation course of martensitic transformation requires energy ( i. e. elastic energy ) propagation in the form of wave in austenite

    按此機制馬氏體相變形核過程中需要有能量（彈性能）以波的形式在母相中傳輸。
  10. This paper analyzes on some factors influencing the water accumulation during the soil freezing process, probes into the mechanism of the water and salt migration during the process of water accumulation, and points out that the water accumulation of frozen zone provides the effect of water and salt migration for the hibernating propagation of the forest in the seasons of winter and spring

    分析了土壤凍結過程中水分積聚的影響因素，探討了水分積聚過程中水鹽遷移的機理，指出凍結帶水分積聚為冬春季林木越冬繁衍提供了水分，同時鹽分也隨水分遷移到地表。
  11. The main research issues for laser plasma interaction are the propagation and absorption of the laser in plasma, parameter instabilities, the generation mechanism of super - thermal particles, etc.

    它主要研究激光在等離子體中的傳播、吸收，各種參量不穩定性、超熱粒子的產生機制等。本論文分為兩部分。
  12. The details are described as follows : 1. the photonic bandgap theory based on total internal reflection ( tir ) pcfs filled with by high index material ( nlc ) is proposed for the first time. based on this theory, the effects of nlc - filled tir - pcfs on the transmission mechanism and propagation properties are studied using plane - wave method and full - vector fem

    主要研究內容和成果包括以下基本方面: 1 、首次提出基於填充高折射率介質（液晶）的折射率引導型pcf的光子帶隙理論分析方法，在此理論的指導下，採用平面波展開法和有限單元法研究了填充對光纖傳導機制和傳輸特性的影響，研究結果表明液晶填充可以實現光子晶體光纖導光機制的轉變。
  13. Based on the requirement and target of the projects, firstly, pcf bragg grating are investigated theoretically and experimentally. moreover, the effects of filling high refractive index material ( nematic liquid crystal, nlc ) in pcfs on the transmission mechanism and propagation properties are studied by using plane - wave method and finite - element method ( fem ), farther, several novel pcfs are proposed and designed. lastly, we propose and demonstrate a clad - pumped er3 + / yb3 + - codoped fiber laser, which integrate all performances of broad - band tunable wavelength, uniform output power spectrum, high repeat frequency and high average power to together

    本論文選題于國家973 、 863以及國家自然科學基金等項目，結合課題的要求和主要目標，在對光子晶體光纖（ pcfs ）傳輸特性研究的基礎上，首先對光子晶體光纖光柵進行了理論和實驗研究;然後，採用平面波展開法和有限單元法分析了在光纖的空氣孔中填充高折射率液晶對光纖傳導機制和傳輸特性的影響，提出並設計了幾種新型光子晶體光纖;最後，提出並研製成功連續可調諧、輸出功率譜均衡的全光纖化、高功率包層泵浦鉺鐿共摻光纖激光器實驗樣機。
  14. Firstly, the propagation of intense laser light in ionizing gases is analyzed including the ionization - modulation instability, the vectorial and nonparaxial effects, and the mechanism of laser energy loss. secondly, we analyze the propagation of intense laser light in plasmas, and effects such as the weakly relativistic nonlinearity, the ponderomotive force and the wakefield are analyzed

    文中對強激光在電離氣體中傳輸的電離不穩定性、矢量非傍軸傳輸和能量損耗機制，以及強激光在等離子體中傳輸的弱相對論性非線性效應、有質動力作用和尾波場效應等都作了基本的分析。
  15. First the mechanism how the imaging guided missile works is revealed secondly the atmospheric propagation of laser beam is studied thirdly the structure and damage mechanism of irccd is analyzed, finally we utilize the dynamic generating system to simulate the cdricm

    通過對成像制導導彈工作原理的分析，激光傳輸中遇到的各種大氣效應和紅外電荷耦合器件（ irccd ）激光干擾機理的分析，闡明了cdircm系統干擾成像制導導彈的機理，並利用動態場景生成系統對cdircm干擾進行了模擬。
  16. Abstract : the micro - mechanism of short crack and the influence of micro - structures on short crack propagation have been investigated by om ， sem and tem for a ly12cz aluminium alloy

    文摘:通過掃描電鏡、透射電鏡、光學金相等手段對ly12cz鋁合金疲勞短裂紋的微觀機制進行了分析研究，結果表明，材料的微觀組織對短裂紋擴展行為有很大影響。
  17. According to the observed results near the fracture surfaces, the orientations of the fatigue crack initiation and propagation were investigated to study the mechanism of multiaxial fatigue crack propagation

    根據薄壁管拉扭復合載試件斷口附近表面觀測結果，統計其裂紋擴展的位向，研究多軸疲勞裂紋萌生及擴展機理。
  18. Take the fast transient mass transfer of nacl solution within solid porous material for granted, experiments on mass transfer were done in order to explore the macro physical behavior under the condition of suddenly contact of nacl solution and porous material. base on the experimental results, the physical behavior and mechanism of mass transfer of nacl solution within porous material were analyzed and discussed. the results indicate that under the condition of suddenly contact, the mass transfer of nacl solution in porous material has apparent wave propagation mechanism

    以nacl溶液在固體多孔材料中的快速瞬態傳質為例，對nacl溶液和固體多孔狀材料突然接觸情況下， nacl溶液在固體多孔狀材料中的質量傳遞過程所表現出來的宏觀物理行為進行了實驗研究，根據實驗結果，對液體nacl哈爾濱工程大學博士論文一溶液在多孔狀材料中質量傳遞的物理行為和機制進行了分析和討論。
  19. The propagation mechanism of the prion diseases is widely accepted that prpsc transforms prpc into the pathological form and more and more prpsc will gradually be produced and forms larger fibrillar aggregates. when a critical level of prpsc has accumulated, the neurons die, resulting in large vacuoles. the affected brain regions become sponge - like in appearance, hence the name spongiform encephalopathies to describe all prion diseases

    目前普遍接受的朊蛋白疾病發生機制為prpsc轉化prpc為致病形式，致使越來越多的致病蛋白形成並堆積成越來越大的纖維狀聚集物，當致病蛋白聚集到一定程度，造成神經元死亡而使受累腦區呈現海綿樣空洞，這也就是為什麼用海綿樣腦病來描述所有的骯蛋白疾病。
  20. On the basis of the theory of vehicle - track coupling dynamics and noise radiation and propagation, mechanism of wheel / rail noise is analyzed

    根據車輛軌道耦合動力學理論及聲輻射與傳播理論，分析了列車運行過程中產生輪軌噪聲的機理。
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